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8.15a

Posted: Mon Jul 11, 2022 11:29 am
by answerhappygod
8.15a
8 15a 1
8 15a 1 (39.67 KiB) Viewed 30 times
A random sample of 20 maximum sentences for murder yielded the data, in months, presented to the right. Use the technology of your choice to complete parts (a) through (d) below. 254 263 261 261 343 332 301 257 a. Find a 99% confidence interval for the mean maximum sentence of all murders. Assume a population standard deviation of 35 months. The confidence interval is from months to months. (Type integers or decimals rounded to one decimal place as needed.) 306 281 378 297 297 292 297 272 275 264 278 291